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Etiological factors in second mandibular molar impaction

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Etiological factors in second mandibular molar impaction

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dc.contributor.author Cassetta, Michele es
dc.contributor.author Altieri, Federica es
dc.contributor.author Calasso, Sabrina es
dc.date.accessioned 2014-05-22T10:06:46Z
dc.date.available 2014-05-22T10:06:46Z
dc.date.issued 2014 es
dc.identifier.citation Cassetta, Michele ; Altieri, Federica ; Calasso, Sabrina. Etiological factors in second mandibular molar impaction. En: Journal of Clinical and Experimental Dentistry, 2014, Vol. 6, No. 2: 150-154 es
dc.identifier.uri http://hdl.handle.net/10550/35391
dc.description.abstract Objectives: The impaction of the second mandibular molar (MM2) has recently become more prevalent. Several etiological hypothesis have been proposed to investigate the association between skeletal features and impaction of MM2. The aims of this study were to analyze the skeletal features in patients with MM2 impaction and the association between arrested eruption of MM2 and the presence of the third mandibular molar (MM3). Study Design: In this retrospective study 48 subjects from 3,530 Caucasian orthodontic patients with MM2 impaction were included in a study group (SG) and compared to a control group (CG) of 200 subjects without MM2 impaction. Panoramic radiographs evaluated the presence or absence of the MM3 germ. Cephalometric analysis was performed to evaluate linear and angular skeletal values. For the statistical analysis, descriptive statistics, Student'fs t-test, 'Ô2 test and odds ratio (OR) were used. Results: The paired comparisons between SG and CG showed in cephalometric analysis both a reduced mandibular gonial angle (ArGoMe) and lowered Jarabak'fs polygon value with a statistically significant difference (P. 0.05). MM3 was statistically significant associated (P. 0.05) with MM2 impaction but it is not a risk factor (OR 0.817). Conclusions: Subjects with MM2 impaction show a vertical condylar growth direction. MM3 is not a risk factor for MM2 impaction. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Etiological factors in second mandibular molar impaction es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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